Service difficulty report · Connector · Boeing 737890

Difficulty date
April 3, 2016
Submitted
April 11, 2016
Operation
Air carrier
Aircraft
N597AS
Make and model
Boeing 737890
Aircraft serial
35689
Aircraft time
30,641 hours, 9,430 cycles
Part
Connector
Part number
C63BP22C39S9
Condition
Shorted
Location
Generator
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 2 GENERATOR DRIVE LIGHT ILLUMINATED, RAN QRH PROCEDURE AND DISCONNECTED NR 2 GENERATOR. ACFT GROUNDED. INSPECTED IDG OIL QTY, CHECKED NORMAL, RESET GENERATOR INSPECT DRIVE LIGHT SWITCH CONNECTOR, LOOKED NORMAL. RANG OUT PINS AT CONNECTOR 1206 SWITCH, OPS NORMAL, RAN ENGINES FOR RT GENERATOR SYS IAW AMM 24-21-00-700-803, RT GENERATOR SYS VOLTS AND FREQ CHECKS NORMAL, RIGHT GENERATOR DRIVE L/T DOES NOT EXTIGISH WITH GENERATOR IN OPERATION CHECKED. FIM 24-11, TASK 802, FAILS STEP F, 6, D. PIN 27 OF D10892B HAS SHORT TO GROUND. REPLACED FEED THROUGH CONNECTOR DM18 IAW SWPM 20-60-06. NO HELP. FOUND SHORT AT CONNECTOR D30114, PIN 9. CLEANED CONNECTOR D30114 IAW SWPM 20-10-04. OPS CHECK NORMAL.